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. 2017 Jul 3;9(7):693. doi: 10.3390/nu9070693

Table 2.

Prevalence of inherited hemoglobin disorders among a representative sample of children 12–59 months of age in Yaoundé and Douala, Cameroon 1.

Urban Total Yaoundé Douala
Any Hb S or alpha-globin 2 deletion 42.9 (37.4–48.4) 48.9 (39.7–58.1) 37.1 (30.1–44.0)
Sickle cell disease or trait 3
HbSS 1.6 (0.2–3.0) 2.7 (0.1–5.3) 0.6 (0–1.9)
HbAS 13.7 (9.7–17.8) 12.6 (6.3–18.9) 14.8 (9.1–20.5)
α+-thalassemia 2
Homozygous (–α/–α) 3.1 (1.1–5.2) 4.9 (1.2–8.6) 1.4 (0–3.5)
Heterozygous (–α/αα) 30.6 (25.4–35.8) 37.0 (27.7–46.4) 24.4 (18.9–29.9)
Other Hb conditions 3
Increased F 4.7 (2.7–6.6) 5.5 (2.5–8.4) 3.9 (1.2–6.7)

1 Values are the mean (95% CI). Hb, hemoglobin. 2 n = 288. 3 n = 295.